Question

Find the least number which must be subtracted from 3143500 to make it a perfect square with process​

Answer 1

Answer:First we will find the square root of 6156:

6156

​  

=  

2×2×3×3×3×3×19

​  

=2×3×3×  

19

​  

=18×4.358=78.444...

Now, we find the square of 78 as follows:

78  

2

=78×78=6084

Let us now subtract 6156 from 6084 as shown below:

6156−6084=72

Hence, 72 will be subtracted from 6156 to make it a perfect square.

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